Slope aspect is known to affect the diversity and density of plant communities. Sunny slopes retain less moisture because of stronger solar radiation and higher evaporation. Therefore, plants on sunny slopes, such as grasses, are more likely to be drought- and radiation-resistant.


First, let’s review the definitions for aspects and impacts. ISO 14001 defines an aspect as an “element of an organization’s activities or products or services that interacts or can interact with the environment” and an impact as a “change to the environment, whether adverse or beneficial, wholly or partially resulting from an organization’s environmental aspects.”